Home / 169,895.65-234,456.87-93,419.68

Finding the Fourth Proportional to 169,895.65, 234,456.87 and 93,419.68

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Solution

The fourth proportional to 169,895.65, 234,456.87 and 93,419.68 is: 128,919.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,895.65 : 234,456.87 = 93,419.68 : x
  2. Step 2: Convert to fraction form
    169,895.65/234,456.87 = 93,419.68/x
  3. Step 3: Cross multiply
    169,895.65x = 234,456.87 × 93,419.68
  4. Step 4: Simplify right side
    169,895.65x = 21,902,885,769.20
  5. Step 5: Solve for x
    x = 21,902,885,769.20/169,895.65
  6. Step 6: Final answer
    x = 128,919.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.